Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 314 [Rate centres in NPA 314] [Dial plan for NPA 314]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-723 6 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2009-02-26   
314-723 7 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2006-03-26   
314-723 8 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2006-03-26   
314-723 9 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-11-22   
314-724 A Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-725 A St Louis MO STLSMO07DSA  9533 SOUTHWESTERN BELL 520      
314-726 A St Louis MO STLSMO07DSA  9533 SOUTHWESTERN BELL 520      
314-727 A St Louis MO STLSMO07DSA  9533 SOUTHWESTERN BELL 520      
314-728 A St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-728 0 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2013-12-01   
314-728 1 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2013-12-01   
314-728 2 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2013-12-01   
314-728 3 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2013-12-01   
314-728 4 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2013-12-01   
314-728 5 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2013-11-18   
314-728 6 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2013-11-18   
314-728 7 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2013-11-18   
314-728 8 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2013-11-18   
314-728 9 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2013-11-18   
314-729 A Sappington MO STLSMO25DSA  9533 SOUTHWESTERN BELL 520      
314-730 A Sappington MO STLSMO25DSA  9533 SOUTHWESTERN BELL 520      
314-730 0 Sappington MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2015-05-14   
314-730 1 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-08-09   
314-730 2 Sappington MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2015-05-14   
314-730 3 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-08-09   
314-730 4 Sappington MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2015-03-21   
314-730 5 Sappington MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2015-03-21   
314-730 6 Sappington MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2015-03-21   
314-730 7 Sappington MO STLSMO09WMD  516C AT&T CORP. 520   2015-07-23   
314-730 8 Sappington MO STLSMO25DSA  9533 SOUTHWESTERN BELL 520      
314-730 9 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2015-09-21   
314-731 A Ladue MO STLSMO43RPA  9533 SOUTHWESTERN BELL 520      
314-731 0 Ladue MO STLSMO43RPA  9533 SOUTHWESTERN BELL 520      
314-731 1 Ladue MO STLSMO43RPA  9533 SOUTHWESTERN BELL 520      
314-731 2 Ladue MO STLSMO43RPA  9533 SOUTHWESTERN BELL 520      
314-731 3 Ladue MO STLSMO43RPA  9533 SOUTHWESTERN BELL 520      
314-731 4 Ladue MO STLSMO43RPA  9533 SOUTHWESTERN BELL 520      
314-731 5 Ladue MO STLSMO43RPA  9533 SOUTHWESTERN BELL 520      
314-731 6 Ladue MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2015-10-29   
314-731 7 Ladue MO STLSMO43RPA  9533 SOUTHWESTERN BELL 520      
314-731 8 Ladue MO STLSMO43RPA  9533 SOUTHWESTERN BELL 520      
314-731 9 Ladue MO STLSMO09WMD  516C AT&T CORP. 520   2016-07-25   
314-732 A St Louis MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
314-732 0 St Louis MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-02-04   
314-732 1 St Louis MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-02-20   
314-732 2 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2005-04-01   
314-732 3 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2005-04-01   
314-732 4 St Louis MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
314-732 5 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2005-04-01   
314-732 6 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2005-04-01   
314-732 7 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2005-04-01   
314-732 8 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2005-04-01   
314-732 9 St Louis MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2005-04-01   
314-733 A Ladue MO STLSMO23RPA  9533 SOUTHWESTERN BELL 520      
314-733 0 Ladue MO STLSMO23RPA  9533 SOUTHWESTERN BELL 520      
314-733 1 Ladue MO STLSMO23RPA  9533 SOUTHWESTERN BELL 520      
314-733 2 Ladue MO STLSMO23RPA  9533 SOUTHWESTERN BELL 520      
314-733 3 Ladue MO STLSMO23RPA  9533 SOUTHWESTERN BELL 520      
314-733 4 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2014-07-28   
314-733 5 Ladue MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2015-05-14   
314-733 6 Ladue MO STLSMO23RPA  9533 SOUTHWESTERN BELL 520      
314-733 7 Ladue MO STLSMO23RPA  9533 SOUTHWESTERN BELL 520      
314-733 8 Ladue MO STLSMO23RPA  9533 SOUTHWESTERN BELL 520      
314-733 9 Ladue MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2015-05-14   
314-734 A Ladue MO STLSMO05XKX  9748 AMERICAN MESSAGING SERVICES, LLC 520      
314-735 A St Louis MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
314-735 0 St Louis MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2007-07-03   
314-735 1 St Louis MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2007-05-13   
314-735 2 St Louis MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2007-05-13   
314-735 3 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-11-22   
314-735 4 St Louis MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2007-05-27   
314-735 5 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2007-10-26   
314-735 6 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2008-03-26   
314-735 7 St Louis MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2007-05-13   
314-735 8 St Louis MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2007-05-13   
314-735 9 St Louis MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2007-08-20   
314-736 A Ladue MO   792K CHARTER IP ENABLED SERVICES, LLC 520      
314-736 0 Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2013-05-12   
314-736 1 Ladue MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2013-05-04   
314-736 2 Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2013-05-12   
314-736 3 Ladue MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2014-01-20   
314-736 4 Ladue MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2014-01-13   
314-736 5 Ladue MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2014-02-07   
314-736 6 Ladue MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2014-03-08   
314-736 7 Ladue MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2014-04-02   
314-736 8 Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2014-12-23   
314-736 9 Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2014-12-24   
314-737 A Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-737 0 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2010-12-12   
314-737 1 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2010-12-12   
314-737 2 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2010-05-28   
314-737 3 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2010-05-28   
314-737 4 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2009-08-20   
314-737 5 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2009-08-20   
314-737 6 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2010-05-28   
314-737 7 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2010-04-11   
314-737 8 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2005-06-10   
314-737 9 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2005-06-10   
314-738 A Ladue MO STLSMO42DS1  9533 SOUTHWESTERN BELL 520      
314-738 0 Ladue MO STLSMO42DS1  9533 SOUTHWESTERN BELL 520      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 >>

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.